#include <stdio.h>

int main()
{
    union jizhong
    {
        short count;
        float fudian;
    };
    // 写法一
    union jizhong q;
    // q.count;
    // 写法二
    // union jizhong q = {.count = 4};
    // 写法三
    // union jizhong q = {4};
    q.count = 4;
    // 结构声明 指针
    union jizhong *jizhongzhizhen;
    jizhongzhizhen = &q;
    
    printf("%d\n", jizhongzhizhen->count);

    return 0;
}